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Cyperaceae taxon details

Carex alata Torr.

1677155  (urn:lsid:marinespecies.org:taxname:1677155)

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Torrey, J. (1836). Monograph of North America Cyperaceae. <em>Annals of the Lyceum of Natural History of New York.</em> 3: 239-448., available online at https://www.biodiversitylibrary.org/page/16077440#page/7/mode/1up
page(s): 396 [details] OpenAccess publication
Lectotype  NY 00274738, geounit North Carolina  
Lectotype NY 00274738, geounit North Carolina [details]
Description Plants densely cespitose. Culms 30–140 cm. Leaves: sheaths adaxially conspicuously green-veined nearly to collar, narrow...  
Description Plants densely cespitose. Culms 30–140 cm. Leaves: sheaths adaxially conspicuously green-veined nearly to collar, narrow hyaline band or sharp Y-shaped region at collar, adaxially firm, sometimes papillose, summits U-shaped; distal ligules 2.8–8 mm; blades 3–7 per fertile culm, 11–50 cm × 2.5–6 mm. Inflorescences dense or open, pale green or brown, 2–6.5 cm × 7–20 mm; proximal internode 3–13 mm; 2d internode 4–10 mm; proximal bracts scalelike with bristle tips shorter than inflorescences. Spikes 3–11, distant, distinct, ellipsoid to ovoid, 6–20 × 4–9 mm, base rounded or short-acute, apex broadly acute to obtuse. Pistillate scales white-hyaline or tan, with green midstripe extending to tip, lanceolate, 2.8–3.5(–3.8) mm, shorter or longer and much narrower than perigynia, apex firm, acuminate or awned to 0.8 mm. Perigynia ± spreading, light or golden brown, faintly 3–8-veined on each face, obovate, flat except over achene, 4–5.5 × 2.5–3.8 mm, 0.4–0.5 mm thick, margin flat, including wing 0.8–1.5 mm wide; beak light brown at tip, flat, 0.85–2.2 mm, ciliate-serrulate, abaxial suture with light brown margin, distance from beak tip to achene 1.8–3 mm. Achenes oblong, 1.7–2 × 0.9–1.1 mm, 0.3–0.4 mm thick. 2n = 74. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Ann. Lyceum Nat. Hist. New York 3: 396 1836 to Ann. Lyceum Nat. Hist....  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Ann. Lyceum Nat. Hist. New York 3: 396 1836 to Ann. Lyceum Nat. Hist. New York 3: 396 (1836), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex alata Torr.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677155 on 2025-09-12
Date
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2023-09-06 07:28:28Z
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2024-12-10 11:47:54Z
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2025-03-11 11:19:03Z
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Nomenclature

original description Torrey, J. (1836). Monograph of North America Cyperaceae. <em>Annals of the Lyceum of Natural History of New York.</em> 3: 239-448., available online at https://www.biodiversitylibrary.org/page/16077440#page/7/mode/1up
page(s): 396 [details] OpenAccess publication

basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details] 

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Lectotype NY 00274738, geounit North Carolina [details]
From editor or global species database
Description Plants densely cespitose. Culms 30–140 cm. Leaves: sheaths adaxially conspicuously green-veined nearly to collar, narrow hyaline band or sharp Y-shaped region at collar, adaxially firm, sometimes papillose, summits U-shaped; distal ligules 2.8–8 mm; blades 3–7 per fertile culm, 11–50 cm × 2.5–6 mm. Inflorescences dense or open, pale green or brown, 2–6.5 cm × 7–20 mm; proximal internode 3–13 mm; 2d internode 4–10 mm; proximal bracts scalelike with bristle tips shorter than inflorescences. Spikes 3–11, distant, distinct, ellipsoid to ovoid, 6–20 × 4–9 mm, base rounded or short-acute, apex broadly acute to obtuse. Pistillate scales white-hyaline or tan, with green midstripe extending to tip, lanceolate, 2.8–3.5(–3.8) mm, shorter or longer and much narrower than perigynia, apex firm, acuminate or awned to 0.8 mm. Perigynia ± spreading, light or golden brown, faintly 3–8-veined on each face, obovate, flat except over achene, 4–5.5 × 2.5–3.8 mm, 0.4–0.5 mm thick, margin flat, including wing 0.8–1.5 mm wide; beak light brown at tip, flat, 0.85–2.2 mm, ciliate-serrulate, abaxial suture with light brown margin, distance from beak tip to achene 1.8–3 mm. Achenes oblong, 1.7–2 × 0.9–1.1 mm, 0.3–0.4 mm thick. 2n = 74. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Ann. Lyceum Nat. Hist. New York 3: 396 1836 to Ann. Lyceum Nat. Hist. New York 3: 396 (1836), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]